/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import net.tanesha.recaptcha.ReCaptchaImpl;
import net.tanesha.recaptcha.ReCaptchaResponse;
import es.gestorusuarios.bd.GestorBD;
import es.gestorusuarios.bd.Usuario;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import utils.EmailValidator;

/**
 *
 * @author Kar
 */
@WebServlet(name = "Register", urlPatterns = {"/Register"})
public class Register extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");

        //recuperamos los datos
        String nombre = request.getParameter("nombre");
        String apellidos = request.getParameter("apellidos");
        String username = request.getParameter("username");
        String pass1 = request.getParameter("pass1");
        String pass2 = request.getParameter("pass2");
        String email = request.getParameter("email");

        GestorBD gestor = new GestorBD();

        // recuperamos la info del captcha
        String remoteAddr = request.getRemoteAddr();
        ReCaptchaImpl reCaptcha = new ReCaptchaImpl();
        reCaptcha.setPrivateKey("6Lf5cesSAAAAAIf-GDKUVZ1FpfQXTufh2iECNPnl");
        String challenge = request.getParameter("recaptcha_challenge_field");
        String uresponse = request.getParameter("recaptcha_response_field");
        ReCaptchaResponse reCaptchaResponse = reCaptcha.checkAnswer(remoteAddr, challenge, uresponse);

        //comprobamos el captcha
        if (reCaptchaResponse.isValid()) {

            //comprobamos que todos los campos no estan vacios
            if ((!nombre.equals("")) && (!apellidos.equals(""))
                    && (!username.equals("")) && (!pass1.equals(""))
                    && (!pass2.equals("")) && (!email.equals(""))) {
                
                //comprobamos la direccion de correo
                if (EmailValidator.validateEmail(email)) {
                    
                    //pass1 y pass2 deben ser iguales
                    if (pass1.equals(pass2)) {

                        //la pass tiene que ser de mas de 8 caracteres
                        if (pass1.length() > 8) {

                            //El nombre de usuario ya existe
                            if (gestor.getUsuario(username) != null) {
                                response.sendRedirect(response.encodeURL("register.jsp?msg=4"));

                                //Todo ha ido correctamente
                            } else {
                                Usuario user = new Usuario();
                                user.setNombre(nombre);
                                user.setApellidos(apellidos);
                                user.setLogin(username);
                                user.setPassword(pass1);
                                user.setCorreo(email);
                                user.setActivado(false);
                                user.setAdministrador(false);
                                
                                gestor.addUsuario(user);
                                response.sendRedirect(response.encodeURL("index.jsp?msg=3"));
                            }
                        } else {
                            response.sendRedirect(response.encodeURL("register.jsp?msg=3"));
                        }
                    } else {
                        response.sendRedirect(response.encodeURL("register.jsp?msg=2"));
                    }
                } else {
                    response.sendRedirect(response.encodeURL("register.jsp?msg=6"));
                }
            } else {
                response.sendRedirect(response.encodeURL("register.jsp?msg=1"));
            }
        } else {
            response.sendRedirect(response.encodeURL("register.jsp?msg=5"));
        }
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
 * Handles the HTTP
 * <code>GET</code> method.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
        protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
        protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
        public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
